1839672138

Names of 1839672138

• Cardinal: 1839672138 can be written as One billion, eight hundred thirty-nine million, six hundred seventy-two thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.839672138 × 10⁹

Factors of 1839672138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 306612028

Divisors of 1839672138

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 306612023 613224046 919836069 1839672138
• Sum of all divisors σ(n): 3679344288
• Sum of proper divisors (its aliquot sum) s(n): 1839672150
• 1839672138 is an abundant number, because the sum of its proper divisors (1839672150) is greater than itself. Its abundance is 12

Bases of 1839672138

• Binary: 1101101101001110010101101001010₂
• Hexadecimal: 0x6DA72B4A
• Base-36: UFAK3U

Squares and roots of 1839672138

• 1839672138 squared (1839672138²) is 3384393575333491044
• 1839672138 cubed (1839672138³) is 6226174564567227531919332072
• The square root of 1839672138 is 42891.3993476547
• The cube root of 1839672138 is 1225.3123486171

Scales and comparisons

• 1,839,672,138 seconds is equal to 58 years, 25 weeks, 5 days, 12 hours, 2 minutes, 18 seconds.
• To count from 1 to 1,839,672,138 would take you about one hundred sixteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1839672138 cubic inches would be around 102.1 feet tall.

Recreational maths with 1839672138

• 1839672138 backwards is 8312769381
• The number of decimal digits it has is: 10
• The sum of 1839672138's digits is 48
• More coming soon!